You can use Group Policy to manage Windows Backup options in an enterprise environment . The policy settings for Windows Backup are both user and computer settings . The userspecific settings are client-only settings and are found in the following location: User Configuration\Policies\Administrative Templates\Windows Components\Backup\Client

The computer settings are for both the client and the server and are found in the following locations: Computer Configuration\Policies\Administrative Templates\Windows Components\Backup\Client Computer Configuration\Policies\Administrative Templates\Windows Components\Backup\Server Table 16-1 lists the available policy settings for Windows Backup . Client settings are available for both User and Computer scopes, but Server settings are available only in the Computer scope . These settings are written to the registry on targeted computers under the following registry key: HKLM\Software\Policies\Microsoft\Windows\Backup

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Prevent The User From Running The Backup Status And Configuration Program Prevent Backing Up To Local Disks Prevent Backing Up To Network Location Prevent Backing Up To Optical Media (CD/DVD) Turn Off The Ability To Back Up Data Files Turn Off Restore Functionality Turn Off The Ability To Create A System Image

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Client

Enabling this policy prevents the user from running the Backup Status And Configuration program . The user will be unable to configure, initiate, or restore a backup . Enabling this policy prevents the user from choosing a local disk (internal or external) as a backup target . Enabling this policy prevents the user from choosing a network share as a backup target . Enabling this policy prevents the user from choosing a CD or DVD as a backup target . Enabling this policy prevents the user from running the file backup application . The restore functionality is still available, as is Windows System Image Backup . Enabling this policy prevents the user from using restore . File backups and Windows System Image Backup are still available . Enabling this policy prevents the user from using Windows System Image Backup . File backups and restores are still available . Enabling this policy prevents the user from backing up non-system volumes . Enabling this policy prevents the user from backing up to locally attached storage devices .

Enabling this policy prevents the user from backing up to a network share . Enabling this policy prevents the user from backing up to CD or DVD drives . Enabling this policy prevents the user from running on-demand backups .

previous Versions and Shadow Copies

Windows 7 can also restore earlier versions of files so that users can quickly recover a file that has been accidentally modified, corrupted, or deleted . Depending on the type of file or folder, users can open, save to a different location, or restore a previous version . The sections that follow describe the Volume Shadow Copy technology and the Previous Versions user interface .

How Volume Shadow Copy Works

To provide backups for files that are in use, Windows 7 uses the Volume Shadow Copy service, which was first introduced with Windows XP . Volume Shadow Copy mitigates file access between applications and the backup process . In other words, if a backup tool needs to access a file currently in use, Volume Shadow Copy creates a shadow copy of that file and then provides the backup process access to the shadow copy . Figure 16-7 illustrates the relationship between Volume Shadow Copy features .

Applications

Volume Shadow Copy service

Backup

Volume

FIgURE 16-7 Volume Shadow Copy allows you to back up open files .

Volume Shadow Copy works with any application . Some applications, however, can communicate directly with the Volume Shadow Copy service to ensure that backed-up files are consistent . If an application keeps several files in use at the same time, they might become inconsistent if two files must be synchronized and one of those files is updated after another is backed up in an earlier state .